CN102077592A - 选择性数据加密的方法和装置 - Google Patents

选择性数据加密的方法和装置 Download PDF

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Publication number
CN102077592A
CN102077592A CN2009801251057A CN200980125105A CN102077592A CN 102077592 A CN102077592 A CN 102077592A CN 2009801251057 A CN2009801251057 A CN 2009801251057A CN 200980125105 A CN200980125105 A CN 200980125105A CN 102077592 A CN102077592 A CN 102077592A
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CN
China
Prior art keywords
message
bits
encryption
length
encrypted
Prior art date
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Pending
Application number
CN2009801251057A
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English (en)
Chinese (zh)
Inventor
阿尤布·马苏迪
弗雷德里克·勒菲弗
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication of CN102077592A publication Critical patent/CN102077592A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/002—Countermeasures against attacks on cryptographic mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
CN2009801251057A 2008-06-30 2009-06-30 选择性数据加密的方法和装置 Pending CN102077592A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08305364.5 2008-06-30
EP08305364A EP2141923A1 (en) 2008-06-30 2008-06-30 Methods and apparatuses for selective data encryption
PCT/EP2009/058161 WO2010000727A1 (en) 2008-06-30 2009-06-30 Methods and apparatuses for selective data encryption

Publications (1)

Publication Number Publication Date
CN102077592A true CN102077592A (zh) 2011-05-25

Family

ID=40566230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009801251057A Pending CN102077592A (zh) 2008-06-30 2009-06-30 选择性数据加密的方法和装置

Country Status (10)

Country Link
US (1) US8625791B2 (enExample)
EP (2) EP2141923A1 (enExample)
JP (1) JP5615273B2 (enExample)
KR (1) KR101578055B1 (enExample)
CN (1) CN102077592A (enExample)
AU (1) AU2009265724B2 (enExample)
CA (1) CA2728687A1 (enExample)
MX (1) MX2010013710A (enExample)
RU (1) RU2505931C2 (enExample)
WO (1) WO2010000727A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
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CN106664197A (zh) * 2014-09-05 2017-05-10 三星电子株式会社 用于数据加密的方法和装置
CN112865961A (zh) * 2021-01-06 2021-05-28 湖南遥昇通信技术有限公司 一种基于加权概率模型的对称加密方法、系统和设备
CN115297363A (zh) * 2022-10-09 2022-11-04 南通商翼信息科技有限公司 基于霍夫曼编码的视频数据加密传输方法

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EP2403244A1 (en) 2010-07-01 2012-01-04 Thomson Licensing Secure encryption method for electronic content distribution
EP2568711A1 (en) 2011-09-12 2013-03-13 Thomson Licensing Methods and devices for selective format-preserving data encryption
EP2611064A1 (en) 2011-12-29 2013-07-03 Thomson Licensing Method for selectively scrambling bit-streams
WO2013114166A1 (en) * 2012-02-01 2013-08-08 Nds Limited Known plaintext attack protection
US9066117B2 (en) * 2012-02-08 2015-06-23 Vixs Systems, Inc Container agnostic encryption device and methods for use therewith
US20130259395A1 (en) * 2012-03-30 2013-10-03 Pascal Massimino System and Method of Manipulating a JPEG Header
DE102013106121A1 (de) * 2013-06-12 2014-12-18 Appbyyou Gmbh Verfahren zur Verschlüsselung von Daten
US9794230B2 (en) * 2013-07-20 2017-10-17 Ittiam Systems (P) Ltd. Method and system for encrypting multimedia streams
RU2666326C2 (ru) * 2014-07-29 2018-09-06 Хуавей Текнолоджиз Ко., Лтд. Устройство и способ шифрования и передачи данных
US9672025B2 (en) 2014-12-10 2017-06-06 Ford Global Technologies, Llc Encryption for telematics flashing of a vehicle
US9688244B2 (en) 2015-06-15 2017-06-27 Ford Global Technologies, Llc Autonomous vehicle theft prevention
EP3654576B1 (en) * 2018-11-16 2021-07-28 Siemens Aktiengesellschaft Computer-implemented method for error-correction-encoding and encrypting of a file
US11399286B2 (en) * 2019-08-20 2022-07-26 Qualcomm Incorporated Scrambling for wireless communications
US11363059B2 (en) * 2019-12-13 2022-06-14 Microsoft Technology Licensing, Llc Detection of brute force attacks
US20210152530A1 (en) * 2020-12-22 2021-05-20 Praveen Prasad Nair Tiered access to regions of interest in video frames
CN119210904B (zh) * 2024-11-27 2025-03-21 上海芯力基半导体有限公司 一种网络安全数据处理系统及交换机

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106664197A (zh) * 2014-09-05 2017-05-10 三星电子株式会社 用于数据加密的方法和装置
CN106664197B (zh) * 2014-09-05 2021-01-29 三星电子株式会社 用于数据加密的方法和装置
CN112865961A (zh) * 2021-01-06 2021-05-28 湖南遥昇通信技术有限公司 一种基于加权概率模型的对称加密方法、系统和设备
CN112865961B (zh) * 2021-01-06 2022-04-29 湖南遥昇通信技术有限公司 一种基于加权概率模型的对称加密方法、系统和设备
CN115297363A (zh) * 2022-10-09 2022-11-04 南通商翼信息科技有限公司 基于霍夫曼编码的视频数据加密传输方法
CN115297363B (zh) * 2022-10-09 2022-12-27 南通商翼信息科技有限公司 基于霍夫曼编码的视频数据加密传输方法

Also Published As

Publication number Publication date
EP2141923A1 (en) 2010-01-06
EP2297948A1 (en) 2011-03-23
WO2010000727A1 (en) 2010-01-07
MX2010013710A (es) 2011-02-15
CA2728687A1 (en) 2010-01-07
AU2009265724A1 (en) 2010-01-07
RU2011103192A (ru) 2012-08-10
US8625791B2 (en) 2014-01-07
AU2009265724B2 (en) 2013-07-18
US20110119480A1 (en) 2011-05-19
JP5615273B2 (ja) 2014-10-29
KR20110040779A (ko) 2011-04-20
JP2011526697A (ja) 2011-10-13
KR101578055B1 (ko) 2015-12-16
RU2505931C2 (ru) 2014-01-27

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Application publication date: 20110525